<!--5 dong duoi kiem tra xem co item moi duoc them hay update ko -->
<% if line_item == @current_item %>
    <tr id="current_item">
<% else %>
    <tr>
<% end %>
<tr>
  <td><%= line_item.quantity %>&times;</td>
  <td><%= line_item.product.title %></td>
  <td class="item_price"><%= number_to_currency(line_item.total_price) %></td>
</tr>
